The CW renews 'Arrow,' 'Vampire Diaries,' 'Supernatural'

The CW on Monday announced that it will bring back "The Vampire Diaries" for a fifth season and "Arrow" for a second.

No surprise on either renewal.

But there's good news for "Supernatural" fans: Your favorite will be back, too, for a ninth season.

Mark Pedowitz, president of The CW, announced that the three series will return in the fall.

In a statement, Pedowitz said: "Not only do 'Arrow,' 'Supernatural' and 'The Vampire Diaries' perform well on-air, they're also extremely successful for us both digitally and socially. I'm thrilled to have all three shows returning to our schedule next season."

"Arrow" averages 4.3 million viewers and stands as The CW's most-watched show.But "The Vampire Diaries" is the network's highest-rated series in key demographics, such as adults 18-34 and women 18-34.

In other news, NBC has canceled "Do No Harm," its update on "Dr. Jekyll and Mr. Hyde," after two telecasts. Reruns of "Law & Order: Special Victims Unit" will air in the 10 p.m. Thursday slot.